Description

p-Cyclopentylbenzaldehyde is a versatile aromatic aldehyde building block characterized by its cyclopentyl substituent. This compound matters for its role as a key intermediate in the synthesis of complex organic molecules, offering a unique steric and electronic profile for fine-tuning material properties. It is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced material sectors for creating novel active ingredients and functional compounds.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those requiring lipophilic aromatic motifs.
• Agrochemical Synthesis: Serves as a precursor for herbicides, fungicides, and plant growth regulators, where the cyclopentyl group can enhance bioavailability and activity.
• Liquid Crystal & OLED Material Research: Acts as a core building block for novel organic semiconductors and liquid crystal molecules due to its rigid yet tunable structure.
• Perfumery & Flavor Chemistry: Employed in the creation of specialty fragrance ingredients, contributing unique aromatic notes.
• Organic Synthesis & Catalysis Research: A valuable substrate for methodological development in cross-coupling, hydrogenation, and oxidation reactions.
• Polymer & Resin Modification: Used to introduce aromatic aldehyde functionality into polymer chains for specialty adhesives and coatings.

Basic Information

Product Name	p-Cyclopentylbenzaldehyde
CAS No.	40452-70-8
Molecular Formula	C₁₂H₁₄O
Molecular Weight	174.24 g/mol
Synonyms	4-Cyclopentylbenzaldehyde; p-Cyclopentylbenzaldehyde; 4-Cyclopentylbenzenecarboxaldehyde; (4-Formylphenyl)cyclopentane; Benzaldehyde, 4-cyclopentyl-; Cyclopentylbenzaldehyde; 1-Cyclopentyl-4-formylbenzene
EINECS	Contact for details

Quality Control

Our p-Cyclopentylbenzaldehyde is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets exacting standards for research and industrial use. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.